package com.sfh.base.util;

public class StringUtil {
	public static boolean isEmpty(String str){
		if("".equals(str)|| str==null){
			return true;
		}else{
			return false;
		}
	}
	
	 public static boolean equals(CharSequence a, CharSequence b) {
		if (a == null || b == null) {
			return false;
		}
		if (a.length() != b.length()) {
			return false;
		}
		if (a.equals(b)) {
			return true;
		}
		return false;
	}
}
